Please Welcome The Greater Norwich Area Chamber of Commerce - Norwich, CT Newest Member... Stratedia is located in Mystic at 424 Judson Avenue.... Stratedia is a digital marketing agency designing creative campaigns that inform and engage your desired clientele. We specialize in website design, search engine optimization, social media management, pay per click advertising, content marketing, advertising, and business strategy. Stratedia creates websites that are visually beautiful and built to rank high in search engines. We deliver not only stunning websites but results. Give us a call. We would love to work with you.